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World's Longest Rivers

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Test your knowledge of the world's mightiest and longest rivers spanning every continent!

15 quick questionsNo sign-upFree to playTap an answer below to begin ↓

Which river is generally considered the longest in the world?

About World's Longest Rivers

Test your knowledge of the world's mightiest and longest rivers spanning every continent! World's Longest Rivers packs 15 multiple-choice questions aimed at mixed difficulty into a relaxed session of roughly 7 minutes — no sign-up, no timer pressure. An explanation appears after every answer, and finishing once a day keeps your streak alive.

A few sample questions

  1. 1. Which river is generally considered the longest in the world?

    Answer: Nile

  2. 2. The Yangtze River, the longest in Asia, flows entirely through which country?

    Answer: China

  3. 3. The Mississippi-Missouri river system is the longest in which continent?

    Answer: North America

  4. 4. Which is the longest river in Australia?

    Answer: Murray River

  5. 5. The Mekong River flows through six countries in Southeast Asia. Which country is NOT one of them?

    Answer: Malaysia

Frequently asked questions

Can I print World's Longest Rivers?

Yes — use the Print button at the top of the page for a clean question sheet, or "Print with Answers" to make an answer key. Printed sheets work well for group play at home, in a classroom, or at a senior center.

Will I lose my progress if I close the page?

Your overall progress — XP, streaks, and badges — is saved in your browser automatically. A quiz that's underway restarts if you leave mid-game, but at about 7 minutes, World's Longest Rivers fits comfortably in one sitting.

How many questions are in World's Longest Rivers?

World's Longest Rivers has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.

Is World's Longest Rivers free to play?

Yes. The entire SeniorBrainGames catalog — including World's Longest Rivers — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.

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